"use client"

import { useState, useEffect } from "react"

// 模拟真实API调用的Hook
export function useRealTimeData() {
  const [data, setData] = useState(null)
  const [loading, setLoading] = useState(true)
  const [error, setError] = useState(null)

  useEffect(() => {
    // 这里可以调用真实的API接口
    const fetchData = async () => {
      try {
        // 示例API调用
        // const response = await fetch('https://api.example.com/business-news')
        // const result = await response.json()

        // 模拟数据
        const mockData = {
          news: [],
          funding: [],
          policies: [],
        }

        setData(mockData)
        setLoading(false)
      } catch (err) {
        setError(err)
        setLoading(false)
      }
    }

    fetchData()

    // 设置定时更新
    const interval = setInterval(fetchData, 30000) // 每30秒更新

    return () => clearInterval(interval)
  }, [])

  return { data, loading, error }
}
